The phrase "a different time period" is correct and usable in written English.
It can be used when discussing historical contexts, timelines, or comparing events from various eras.
Example: "The architectural style of the building reflects influences from a different time period, showcasing the evolution of design."
Alternatives: "an alternate era" or "a distinct historical period".
You could easily write a dystopian Novel that takes place in the past, but something happened differently resulting in a different time period.
This book is from a different time period, so Mary dresses differently from today's styles.
This review differs from our survey in that it covers a different time period and has a narrower range of interest concentrating on interventions for schizophrenia, depression, developmental disability and alcohol dependence.
And every one of the first six installments takes place in a different time period," Mr. Beers said.
Amanda, we soon realize, is in a different time period, a year later, months after Dodge has been deployed.
Bad writers often want to rewrite a book by another writer that was written in a different time period, under completely different social conditions.
Each one is set in a different time period, from the mid-19th century to the present, and each ends in the death of the narrator.
It's as enjoyable to play in a different language as it is to play someone from a different time period or a different region of the United States.
It was a different time period when you're a mega-star in the Eighties and Nineties; like now it's a different world".
John Landgraf, the CEO of the network, announced that the show would be back in fall 2015 (or later) with a new cast, a new set of characters, and a new story set in a different time period.
Martin Wolf does his own version of my austerity versus growth analysis; he uses a different measure of austerity and a different time period, but the results are basically the same.
